Q40 ICD-10-CA category: Other congenital malformations of upper alimentary tract
Q40 isn’t a code on its own. Choose one of the 6 codes beneath it, the one the documentation supports.
Official description
Q40Other congenital malformations of upper alimentary tract
ICD-10-CA · Canada
Codes in Q40
Q40 isn’t a code on its own. Open the code that matches what the note documents.
Q40.0Congenital hypertrophic pyloric stenosisQ40.1Congenital hiatus herniaQ40.2Other specified congenital malformations of stomachQ40.3Congenital malformation of stomach, unspecifiedQ40.8Other specified congenital malformations of upper alimentary tractQ40.9Congenital malformation of upper alimentary tract, unspecifiedNotes for Q40
As CIHI prints them, with any note Q40 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q40 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q38-Q45Other congenital malformations of the digestive system
- 3Category Q40Other congenital malformations of upper alimentary tract
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is Q40 a valid ICD-10-CA code?
No. Q40 (Other congenital malformations of upper alimentary tract) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 6 codes; record the one the documentation supports.
Where is Q40 in ICD-10-CA?
Q40 sits under Q38-Q45 Other congenital malformations of the digestive system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q40?
ICD-10-CA lists Excludes notes for Q40, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside Q40
View Q38-Q45Q38Other congenital malformations of tongue, mouth and pharynxQ39Congenital malformations of oesophagusQ41Congenital absence, atresia and stenosis of small intestineQ42Congenital absence, atresia and stenosis of large intestineQ43Other congenital malformations of intestineQ44Congenital malformations of gallbladder, bile ducts and liverQ45Other congenital malformations of digestive system